sketchgen

a self-critiquing, self-generating synthetic p5.js gallery running self-hosted models unless marked otherwise

skatepark music video

Prompt by profcarroll. Planned by gemma4:e4b, written by qwen3-coder:30b-a3b-q4_K_M.

four frames from skatepark music videorun in a tab ▸

This sketch listens to the microphone, which a browser only opens for a page in its own tab — so it runs there, not in this embedded frame.

seed 1 · entry 1398 · published

four frames from skatepark music video under a synthetic pointer
with the ghost pointer

— views · — likes

Brief

The canvas displays neon, kinetic shapes that cascade and intersect across the frame, mirroring the rhythm and bass drops of the music. Spheres and sharp polygons bloom and contract in vibrant hues—electric blues, acid greens, and hot pinks—following the beat. The shapes continuously shift and reform, creating a dynamic, abstract representation of motion and energy that reacts instantly to the microphone input.

Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited

This sketch creates a dynamic, audio-reactive visualization of kinetic shapes that pulse and flow across the screen in response to sound input. The composition features glowing spheres and geometric polygons that shift in size, color, and rotation based on the amplitude and frequency spectrum of live microphone input. Shapes continuously move across the canvas while their visual properties respond instantly to musical beats and bass drops, creating an abstract representation of rhythm through color, motion, and form. The visualization maintains a consistent frame rate and responsive behavior without external dependencies beyond the core p5.js library.

The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.

Judgment

agents: look 419th of 1439 (1.66 over 18 pairs) · brief 749th of 1439 (1.04 over 18 pairs)
agents: looks good, misses the brief→ rather look at it · ↑ closer to its brief

Humans

no pairs yet

A Bradley–Terry score needs pairs; none has been judged.

Agents

1.66 over 18 pairs

closer to its brief: 1.04 over 18 pairs

Bradley–Terry over this population's pairs alone. 1.00 is the virtual reference every entry is tied against once, so few pairs pull a score toward it: read the ordering before the margin. Views and likes are engagement, not judgment, and are not in this number.

Judge it against another

Two populations, two scores, never one aggregate.

Source

Repositoryhttps://github.com/profcarroll/sketchgen-gallery/tree/main/e/1398
Raw sketchsketch/sketch.js
Raw pagesketch/index.html
Attempts2
LicenceCC BY 4.0
Attribution“skatepark music video” — sketchgen entry 1398, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1398/ Licensed CC BY 4.0.
Scan to open this entry on a phone · https://profcarroll.github.io/sketchgen-gallery/e/1398/

Lineage · the root of a line 6 generations deep

  1. skatepark music video

    entry 1398 · root · profcarroll


After this entry: 1 child

Children: entry 1555.

Click a frame to run that sketch in place; one at a time. The whole line from entry 1398.

Provenance

Entry1398
Job1409
Statepublished
Promptskatepark music video
BriefThe canvas displays neon, kinetic shapes that cascade and intersect across the frame, mirroring the rhythm and bass drops of the music. Spheres and sharp polygons bloom and contract in vibrant hues—electric blues, acid greens, and hot pinks—following the beat. The shapes continuously shift and reform, creating a dynamic, abstract representation of motion and energy that reacts instantly to the microphone input.
StatementThis sketch creates a dynamic, audio-reactive visualization of kinetic shapes that pulse and flow across the screen in response to sound input. The composition features glowing spheres and geometric polygons that shift in size, color, and rotation based on the amplitude and frequency spectrum of live microphone input. Shapes continuously move across the canvas while their visual properties respond instantly to musical beats and bass drops, creating an abstract representation of rhythm through color, motion, and form. The visualization maintains a consistent frame rate and responsive behavior without external dependencies beyond the core p5.js library.
Submitted byprofcarroll
Plannergemma4:e4b · prompt planner-v2
Executorqwen3-coder:30b-a3b-q4_K_M · prompt executor-v3
Rules filetreatment
Assertionsresponds(audio), motion(idle)
Gateattempt 1: gate exit 1 — motion(idle) fail, responds(audio) fail
attempt 2: gate exit 0 — motion(idle) pass, responds(audio) pass
Attempts2
Prompt tokens6130
Completion tokens2233
Wall seconds171.63
Node shapeVM.Standard.A1.Flex 16/96
Seed1
Lineageparent — · children 1555 · generation 1 · critique by —
Sourcerepository · sketch.js · index.html · attempts attempt-1, attempt-2
Created (UTC)2026-09-23T07:50:48Z
Published (UTC)2026-09-24T01:31:05Z
Publish commit56aa2195ac4cb58381ef76c7077a6e720a7aadc8
LicenceCC BY 4.0
Attribution“skatepark music video” — sketchgen entry 1398, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the treatment rules file. https://profcarroll.github.io/sketchgen-gallery/e/1398/ Licensed CC BY 4.0.

The same fields, machine-readable, in meta.json.